John V. Williams

Prisda K. Rosen

Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

John C. Pennock

John C. Pennock attended Cornell University, where he studied engineering. He was a member of the Special Engineer Detachment at Oak Ridge, where he worked as a technical engineer at the K-25 Plant.

E. Frank Miller

E. Frank Miller was working at DuPont’s Belle Works in August 1943 when he was recruited to the TNX segment of DuPont working on the Manhattan Project by Dr.

P. J. Berry